2017 Porsche 911 Turbo S Cabriolet (991.2) Market Value & Price History
The 2017 Porsche 911 Turbo S Cabriolet (991.2) has a current market value of $173,182 as of Nov 4, 2026, based on 15 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2021 between $136,000 and $168,000. Based on US sales through Sep 24, 2026. 3 have sold in the past 12 months, and 10 are listed for sale, asking $134,984 to $185,612. The median sale price is up 26% over the past 12 months versus one to three years ago.
Data: DriveIndex. 15 verified auction sales for the 2017 Porsche 911 Turbo S Cabriolet (991.2), latest sale Sep 24, 2026. Value as of Nov 4, 2026. Methodology
What members see for the 2017 Porsche 911 Turbo S Cabriolet (991.2)
The value above is the headline. Members get the full picture behind it.
- All 15 sold prices, and where each one sold
- The live Value Signal, and how confident it is
- A 1–5 year value projection
- A Buy / Hold / Sell call
- An alert the moment one lists or sells
- The best and worst months to buy and sell
- An estimated market-bottom date
- Whether each of the 10 asks listed for sale is fair
- Deal Radar: underpriced listings across the market
- Search Agent: describe the spec you want and hear when one lists
- Rad's Picks: cars for sale hand-picked by Rad, with an email when one is added
Not ready? A free account shows the current value and recent sale dates.
Pro unlocks this car's Value Signal (appreciating, stable, bottomed, approaching bottom or depreciating) and its 1–5 year projection. Collector adds the best months to buy and sell.
See the 911 Turbo S Cabriolet's Value Signal with Pro →2017 Porsche 911 Turbo S Cabriolet (991.2) For Sale (10)
Last checked Nov 1, 2026, unless a listing shows its own date
2017 Porsche 911 Turbo S Cabriolet (991.2) Price History
The median 2017 Porsche 911 Turbo S Cabriolet (991.2) sold for $171,000 in 2026, against $168,000 in 2022. Each row is the median of the verified sales recorded in that calendar year, so it moves with the mix of mileages and options that came to market as well as with the market itself.
| Year | Median sale | Sales |
|---|---|---|
| 2026 | $171,000 | 3 |
| 2024 | $125,000 | 3 |
| 2023 | $141,000 | 3 |
| 2022 | $168,000 | 3 |
Years with fewer than three verified USD sales are omitted — a one-sale “median” is a single car, not a market.
Recent 2017 Porsche 911 Turbo S Cabriolet (991.2) Auction Results
| Sold | Price | Mileage | Gearbox |
|---|---|---|---|
| Sep 24, 2026 | $175,000 | 16,000 mi | — |
| Sep 2, 2026 | $171,000 | 16,000 mi | — |
| Mar 19, 2026 | $150,000 | 24,322 mi | Automatic |
| Apr 24, 2025 | $135,751 | 26,487 mi | Automatic |
| Apr 19, 2025 | $143,000 | 22,000 mi | Automatic |
| Jun 4, 2024 | $136,000 | 21,000 mi | Automatic |
| Mar 18, 2024 | $115,000 | 28,015 mi | Automatic |
| Mar 11, 2024 | $125,000 | 17,650 mi | Automatic |
| Sep 19, 2023 | $145,991 | 22,000 mi | Automatic |
| Aug 28, 2023 | $131,000 | 32,000 mi | Automatic |
| Jul 22, 2023 | $141,000 | 22,000 mi | Automatic |
| Sep 22, 2022 | $172,500 | 10,404 mi | Automatic |
| Sep 17, 2022 | $168,000 | 15,000 mi | Automatic |
| Jan 19, 2022 | $159,999 | 20,000 mi | Automatic |
| Jun 5, 2021 | $164,000 | 3,000 mi | Automatic |
Verified results from the world's leading collector-car auction houses and marketplaces.
All Porsche 911 Turbo S Cabriolet auction results →See the full picture on the 2017 Porsche 911 Turbo S Cabriolet (991.2)
Browsing is free. Upgrade to unlock the Value Signal™, projections, and the tools collectors use to buy and sell at the right time.
- Full Value Signal™ + confidence: appreciating, stable, or depreciating
- 1–5 year price projections
- Buy / Hold / Sell call per car
- Complete sales & listings feed + up to 10 yrs of history
- Analyst notes & compare up to 4 cars
- Price & custom alerts (make, color, options)
- Garage analytics + benchmarks (the garage itself, and discreet offers, are free)
- Everything in Pro, plus:
- Portfolio Outlook (a hold, watch or review call on every car you own)
- Watchlist Intelligence (act-now calls on the cars you follow)
- Head-to-Head Verdict (compare cars, the data crowns the buy)
- Market Deal Radar (every live ask under market value, catalog-wide)
- Search Agent (describe the car you want, hear when one lists)
- Rad’s Picks (cars for sale hand-picked by Rad, with an email when one is added)
- Market Indexes (marque and segment price indexes no single sale can swing)
- Best & worst months to buy and sell
- What each option adds to the price + separate manual vs automatic values
- Listing analyzer with fair-value deal scores
- Rad’s Market Update (Rad’s market read and buy targets, sent when the market moves)
Porsche 911 Turbo S Cabriolet by Year
Which 911 Turbo S Cabriolet year should you buy? Every year compared →2017 Porsche 911 Turbo S Cabriolet (991.2): Frequently Asked Questions
How much is a 2017 Porsche 911 Turbo S Cabriolet (991.2) worth?
A 2017 Porsche 911 Turbo S Cabriolet (991.2) is worth approximately $173,182 as of Nov 4, 2026, based on 15 verified auction sales tracked by DriveIndex. Based on US sales through Sep 24, 2026. Half of all verified sales fall between $136,000 and $168,000; the full verified range is $115,000 to $175,000. Condition, mileage and options move an individual car within that band.
How much did a 2017 Porsche 911 Turbo S Cabriolet (991.2) cost new?
The 2017 Porsche 911 Turbo S Cabriolet (991.2) carried an original MSRP of $188,100. Verified examples now trade around $173,182.
How much has the 2017 Porsche 911 Turbo S Cabriolet (991.2) depreciated?
The 2017 Porsche 911 Turbo S Cabriolet (991.2) is worth about 8% less than it cost new: it carried an original MSRP of $188,100, and verified examples now trade around $173,182. That compares today's value with the sticker price, not adjusted for inflation.
How many 2017 Porsche 911 Turbo S Cabriolet (991.2) sell per year?
3 have sold at auction in the past 12 months. DriveIndex has tracked 15 2017 Porsche 911 Turbo S Cabriolet (991.2) sales in total.
Are 2017 Porsche 911 Turbo S Cabriolet (991.2) sale prices higher or lower than a year ago?
The median 2017 Porsche 911 Turbo S Cabriolet (991.2) sale price is up 26% over the past 12 months versus one to three years ago, based on verified auction sales. That figure tracks the median of what actually sold, so it moves with the mix of mileages and options that came to market as well as with the market itself. The full Value Signal classification (appreciating, stable, bottomed, or depreciating) and its 1–5 year projection are part of DriveIndex Pro.
Where can I buy a 2017 Porsche 911 Turbo S Cabriolet (991.2)?
DriveIndex lists 10 2017 Porsche 911 Turbo S Cabriolet (991.2) for sale, asking $134,984 to $185,612 (last checked Nov 1, 2026). DriveIndex aggregates for-sale listings and auction results from the world's leading collector-car auction houses and marketplaces.
More Porsche Models
All Porsche models →Collections Featuring Porsche
Pro unlocks its Value Signal, every sold price, a 1–5 year projection and an alert the moment one lists or sells. Collector adds the best months to buy and sell and where the market bottoms.
Get Pro →